Before the package and delivery, these 2 commercial LED displays were aging and testing for about 10 days. During the aging, it was in all white, red, green, blue colors, static images, videos in turn. This is to make sure some minor problems like cold soldering of LED lamps or drive ICs could come out and be solved here. This is a standard aging and testing process. Besides, each LED panel P6 was inspected carefully inside and outside, making sure the cables connection neatly, adding screw fixing agents on the screws to prevent cables from loosening during the long transportation, checking the waterproof glue around the location pins on the cabinets, etc.